CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.

Key Features:-

* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)

Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.

Once again when it comes to reading data the new update on the 512GB Octane kept things about the same. We did notice a decrease in sequential reads again, but the 4K and NCQ reads were very close to the original numbers we ran when the drive was tested.

Just as OCZ stated in their firmware notes, 4K write performance was improved. With the older firmware we saw around 52MB/s with a single write command, but the new firmware increases that to 59MB/s. More importantly, the wall around 60MB/s has been raised.

At 32 commands the Octane writes at 100MB/s, a fairly large improvement.

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